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Desktop Ransomware (Lock.<Original Filename>.<Original Extension>)

  • Distribution Method : Unknown
 
  • MD5 : c013c2911340d6d29325254cf72d4e42
 
  • Major Detection Name : Ransom:Win32/Genasom (Microsoft), Ransom_DESKLOCKER.THAAOEAH (Trend Micro)
 
  • Encrypted File Pattern : Lock.<Original Filename>.<Original Extension>
 
  • Malicious File Creation Location :
     - C:\Users\%UserName%\AppData\Local\Temp\8x8x8
     - C:\Users\%UserName%\AppData\Local\TempCHHKSM.exe
 
  • Major Characteristics :
     - Offline Encryption
     - Crypt888 / Encephalitis / GrodexCrypt / Lecitricic Lycor / MicroCop / Zuahahhah Ransomware series
     - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\wl.jpg)

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